The repository delivered with the installer is incorrect, I was unable to open the tag module:

There's no object at path default from path /ametys:sites

org.ametys.plugins.repository.UnknownAmetysObjectException: There's no object at path default from path /ametys:sites
at org.ametys.plugins.repository.jcr.TraversableAmetysObjectHelper.getChild(TraversableAmetysObjectHelper.java:121)
at org.ametys.plugins.repository.jcr.DefaultTraversableAmetysObjectFactory.getChild(DefaultTraversableAmetysObjectFactory.java:36)
at org.ametys.plugins.repository.jcr.DefaultTraversableAmetysObject.getChild(DefaultTraversableAmetysObject.java:47)
at org.ametys.plugins.repository.AmetysObjectResolver._resolve(AmetysObjectResolver.java:328)
at org.ametys.plugins.repository.AmetysObjectResolver.resolve(AmetysObjectResolver.java:291)
at org.ametys.plugins.repository.jcr.TraversableAmetysObjectHelper.getChild(TraversableAmetysObjectHelper.java:110)
at org.ametys.plugins.repository.jcr.DefaultTraversableAmetysObjectFactory.getChild(DefaultTraversableAmetysObjectFactory.java:36)
at org.ametys.plugins.repository.jcr.DefaultTraversableAmetysObject.getChild(DefaultTraversableAmetysObject.java:47)
at org.ametys.plugins.repository.AmetysObjectResolver._resolve(AmetysObjectResolver.java:328)
at org.ametys.plugins.repository.AmetysObjectResolver.resolve(AmetysObjectResolver.java:181)
at org.ametys.web.tags.generators.JCRRootTagGenerator.generate(JCRRootTagGenerator.java:36)
at org.apache.cocoon.components.pipeline.AbstractProcessingPipeline.processXMLPipeline(AbstractProcessingPipeline.java:579)
at org.apache.cocoon.components.pipeline.impl.AbstractCachingProcessingPipeline.processXMLPipeline(AbstractCachingProcessingPipeline.java:280)
at org.apache.cocoon.components.pipeline.AbstractProcessingPipeline.process(AbstractProcessingPipeline.java:481)
at org.apache.cocoon.components.source.impl.SitemapSource.getInputStream(SitemapSource.java:267)
at org.ametys.cms.workspace.servercomm.DispatchGenerator._dispatching(DispatchGenerator.java:130)
at org.ametys.cms.workspace.servercomm.DispatchGenerator.generate(DispatchGenerator.java:76)
at org.apache.cocoon.components.pipeline.AbstractProcessingPipeline.processXMLPipeline(AbstractProcessingPipeline.java:579)
at org.apache.cocoon.components.pipeline.impl.AbstractCachingProcessingPipeline.processXMLPipeline(AbstractCachingProcessingPipeline.java:280)
at org.apache.cocoon.components.pipeline.AbstractProcessingPipeline.process(AbstractProcessingPipeline.java:481)
at org.apache.cocoon.components.treeprocessor.sitemap.SerializeNode.invoke(SerializeNode.java:144)
at org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:47)
at org.apache.cocoon.components.treeprocessor.sitemap.MatchNode.invoke(MatchNode.java:108)
at org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:69)
at org.apache.cocoon.components.treeprocessor.sitemap.PipelineNode.invoke(PipelineNode.java:143)
at org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:69)
at org.apache.cocoon.components.treeprocessor.sitemap.PipelinesNode.invoke(PipelinesNode.java:93)
at org.apache.cocoon.components.treeprocessor.ConcreteTreeProcessor.process(ConcreteTreeProcessor.java:235)
at org.apache.cocoon.components.treeprocessor.ConcreteTreeProcessor.process(ConcreteTreeProcessor.java:177)
at org.apache.cocoon.components.treeprocessor.TreeProcessor.process(TreeProcessor.java:254)
at org.apache.cocoon.components.treeprocessor.sitemap.MountNode.invoke(MountNode.java:118)
at org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:47)
at org.apache.cocoon.components.treeprocessor.sitemap.MatchNode.invoke(MatchNode.java:108)
at org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:69)
at org.apache.cocoon.components.treeprocessor.sitemap.PipelineNode.invoke(PipelineNode.java:143)
at org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:69)
at org.apache.cocoon.components.treeprocessor.sitemap.PipelinesNode.invoke(PipelinesNode.java:93)
at org.apache.cocoon.components.treeprocessor.ConcreteTreeProcessor.process(ConcreteTreeProcessor.java:235)
at org.apache.cocoon.components.treeprocessor.ConcreteTreeProcessor.process(ConcreteTreeProcessor.java:177)
at org.apache.cocoon.components.treeprocessor.TreeProcessor.process(TreeProcessor.java:254)
at org.apache.cocoon.components.treeprocessor.sitemap.MountNode.invoke(MountNode.java:118)
at org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:47)
at org.apache.cocoon.components.treeprocessor.sitemap.MatchNode.invoke(MatchNode.java:108)
at org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:69)
at org.apache.cocoon.components.treeprocessor.sitemap.PipelineNode.invoke(PipelineNode.java:143)
at org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:69)
at org.apache.cocoon.components.treeprocessor.sitemap.PipelinesNode.invoke(PipelinesNode.java:93)
at org.apache.cocoon.components.treeprocessor.ConcreteTreeProcessor.process(ConcreteTreeProcessor.java:235)
at org.apache.cocoon.components.treeprocessor.ConcreteTreeProcessor.process(ConcreteTreeProcessor.java:177)
at org.apache.cocoon.components.treeprocessor.TreeProcessor.process(TreeProcessor.java:254)
at org.apache.cocoon.Cocoon.process(Cocoon.java:699)
at org.apache.cocoon.servlet.CocoonServlet.service(CocoonServlet.java:1154)
at org.ametys.runtime.servlet.RuntimeServlet._doService(RuntimeServlet.java:117)
at org.ametys.runtime.servlet.RuntimeServlet.service(RuntimeServlet.java:74)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:511)
at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:390)
at org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:216)
at org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:182)
at org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:765)
at org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:418)
at org.mortbay.jetty.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:230)
at org.mortbay.jetty.handler.HandlerCollection.handle(HandlerCollection.java:114)
at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152)
at org.mortbay.jetty.Server.handle(Server.java:326)
at org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:536)
at org.mortbay.jetty.HttpConnection$RequestHandler.content(HttpConnection.java:930)
at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:747)
at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:218)
at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:405)
at org.mortbay.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java:409)
at org.mortbay.thread.QueuedThreadPool$PoolThread.run(QueuedThreadPool.java:582)